Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
10/1992
10/06/1992US5153885 Bit error measuring apparatus
10/06/1992US5153798 Magnetic head including a core having a non-magnetic gap
10/06/1992US5153796 Method and apparatus for transferring information between two magnetic bodies using a third body of magnetic material
10/06/1992US5153794 Assembly and method for securing head suspensions on actuator arms
10/06/1992US5153793 Two-sided magnetic recording and reproduction device
10/06/1992US5153788 Method of recording and detecting servo information for positioning magnetic head
10/06/1992US5153787 Combination embedded and dedicated servo system including embedded servo waiting
10/06/1992US5153786 Extended range servo system for positioning a disk drive head over a selected track
10/06/1992US5153785 Apparatus for measuring the clearance of recording transducer, and a recorder using the apparatus, and a method of controlling the recorder
10/06/1992US5153079 Surface smoothness, high electromagnetic conversion, durability
10/06/1992US5153071 Magnetic recording medium wherein the magnetic layer has as the binder system a vinyl chloride copolymer and a polyether polyurethane resin which contains a ring structure
10/06/1992US5153063 Magnetic recording medium having a vinyl-chloride resin and a urethane resin binder system each of which resins contain three percent or less of a low molecular weight resin fraction
10/06/1992US5153053 Magnetic recording medium comprising a lower magnetic layer containing an amine modified vinyl chloride copolymer and an upper magnetic layer containing a vinyl chloride copolymer with a polar group
10/06/1992US5153044 Magnetic disk for longitudinal recording comprising an amorphous intermediate layer
10/06/1992US5153022 Stochastic orientation of magnetic recording media
10/01/1992WO1992016939A1 Magnetic recording medium
10/01/1992WO1992016938A1 Vertical magnetic recording medium and its manufacturing method
10/01/1992WO1992016937A1 Actuator servo compensation method
10/01/1992WO1992016936A1 Synchronous digital detection of position error signal
10/01/1992WO1992016935A1 Thin film laminated magnetic record/playback head for high bit densities and data transfer rates
10/01/1992WO1992016934A1 A magnetic head for high-frequency, high-density recording
10/01/1992WO1992016933A1 Method for recording code data
10/01/1992WO1992016356A1 Biaxially oriented polyethylene 2,6-naphthalate film strip and magnetic tape using the same
09/1992
09/30/1992EP0506167A2 Apparatus for recording and reproducing of signals with at least one rotating magnetic head
09/30/1992EP0506058A1 Magnetic card reader/writer
09/30/1992EP0505985A2 High efficiency coding recording and reproducing apparatus
09/30/1992EP0505983A2 Magnetic head and a digital recording magnetic head
09/30/1992EP0505861A2 Laminated film
09/30/1992EP0505783A1 Magnetic recording medium
09/30/1992EP0505555A1 Method and apparatus for high speed duplication of audio or digital signals
09/30/1992EP0505363A1 Multiple actuator disk drive.
09/30/1992CA2052790A1 Adjustable write equalization for tape drives
09/29/1992US5151924 Automatic equalization method and apparatus
09/29/1992US5151839 Current transmitting mechanism in magnetic recording and reproducing apparatus
09/29/1992US5151837 Composite magnetic head
09/29/1992US5151831 Digital signal processing circuit
09/29/1992US5151639 System for positioning a transducer
09/29/1992US5151333 Containing imine derivative
09/29/1992US5151330 Magnetic recording medium comprising magnetic particles and a polyurethane resin binder having a polycaprolactone structural unit
09/29/1992US5151323 Magnetic recording medium and manufacturing method thereof
09/29/1992US5151294 Coating a thin carbon film on a disk which also contains a metal alloy or metal oxide magnetic layer, controlling rotation while in air
09/29/1992US5151206 Mixing ferric oxide with carbon monoxide and hydrogen to produce iron carbides
09/29/1992US5151115 Needle like iron oxide, applying cobalt ions in a reducing atmosphere
09/29/1992US5150511 Method for manufacturing a magnetic transducer head
09/29/1992CA1308115C Fluorine-containing organosilanes useful as magnetic media lubricants
09/29/1992CA1307920C Method for fabricating a multiple-head magnetic transducer
09/23/1992EP0505303A1 Lubricant for magnetic recording disks
09/23/1992EP0505127A2 Data recording methods and apparatus
09/23/1992EP0504892A2 Gimbal card reader
09/23/1992EP0504887A2 Automated system for lapping magnetic heads
09/23/1992EP0504849A2 PCM signal recording system
09/23/1992EP0504831A2 Throat height control during lapping of magnetic heads
09/23/1992EP0504801A2 Data recording method and apparatus
09/23/1992EP0504671A1 Apparatus and method for calandering magnetic recording media
09/23/1992EP0504651A1 Polyester film for magnetic tape
09/23/1992EP0504570A2 Circuit arrangement for selective switching of read-signals of a multiple magnetic head on a magnetic layer memory
09/23/1992EP0504416A1 Polyester film for magnetic recording media
09/23/1992EP0504324A1 Split swipe tape recording
09/23/1992CN1018400B Magnetic desk controlling device
09/22/1992US5150379 Signal processing system for adaptive equalization
09/22/1992US5150338 Optical disk reading and writing system having magnetic write head mounted on an air-bearing slider
09/22/1992US5150268 Head cleaning device for disk-type data storage unit
09/22/1992US5150266 For minimizing the time
09/22/1992US5150073 Low-noise preamplifier stage, in particular for magnetic heads
09/22/1992US5149585 Magnetic recording medium
09/22/1992US5149564 Method of forming lubricating film and a method of preparing magnetic recording medium
09/22/1992US5149409 Sputter-deposition of cobalt, chromium and platinum alloy in an inert gas atmosphere in presence of a hydrocarbon gas dopant; high signal-to-noise ratio of readback signal
09/22/1992CA1307843C Method and apparatus for synchronizing tape recording and playback machines
09/19/1992CA2063142A1 Laminated film
09/17/1992WO1992015996A1 Magnetic powder for magnetic recording and magnetic recording medium made thereof
09/17/1992WO1992015995A1 New category of magnetic materials, their production and use
09/16/1992EP0503762A2 Pantographic mounting device for a transducer
09/16/1992EP0503672A2 Magnetic digital video signal recording method
09/16/1992EP0503480A2 Multitrack tape system having a random access storage medium for easier editing and higher capacity
09/16/1992EP0503443A1 Polyester film for magnetic tape
09/16/1992EP0502950A1 Process for sputtering multilayers for magneto-optical recording.
09/15/1992US5148403 Production of prerecorded tape cassettes
09/15/1992US5148343 Magnetic head with contact gap
09/15/1992US5148342 Magnetic head having a filler plate arranged between two magnetic core assemblies
09/15/1992US5148339 Magnetic disk storage
09/15/1992US5148336 Magnetic recording and reproducing apparatus
09/15/1992US5148333 Method for recording and/or reproducing a signal
09/15/1992US5148330 Method of and arrangement for obtaining prerecorded digital music cassettes
09/15/1992US5148329 Magnetic recording/reproducing circuit system including a temperature controlled amplitude control circuit for a video signal
09/15/1992US5148328 Pcm audio signal recording and/or reproducing apparatus with recording-mode identifying signal
09/15/1992US5148071 Swing-type actuator with thin reinforced movable coil
09/15/1992US5147768 Silver halide color photographic material containing magnetic recording element
09/15/1992US5147734 Coercive force
09/15/1992US5147732 Composite magnetic film on a nonmagnetic substrate wherein magnetic thin metal films are coupled so as to have single plane coercivity
09/15/1992US5147720 Containing carbon black, binder is a terpolymer of vinyl chloride, vinylsulfonic acid salt, and hydroxyalkyl acrylate, durability, tapes
09/15/1992US5147684 Forming method of magnetic recording medium protective film
09/15/1992US5147679 Method for providing uniaxial anisotropy in magnetic recording disks
09/15/1992US5146671 Method of manufacturing floating type magnetic head
09/15/1992CA1307586C Apparatus for reproducing a digital signal
09/15/1992CA1307581C Portable magnetic card reading and writing apparatus
09/10/1992DE4107499A1 New magnetic material based up coupled exchange of hard and soft materials - with alloy including rare earth materials and with remanence to saturation magnetisation of more than 0.6
09/09/1992EP0502745A2 Biaxially oriented laminated film
09/09/1992EP0502699A1 Perpendicular magnetic film and magnetic recording medium
09/09/1992EP0502646A2 Head carriage assembly
09/09/1992EP0502535A1 Magnetic head